#define _CRT_SECURE_NO_WARNINGS 1

#include <iostream>
using namespace std;
int main()
{
	int a = 0;
	switch (a)
	{
	case 0:
		cout << a << endl;
	case 1:
		int b = 1;
		cout << b << endl;
	case 2:
		cout << b << endl;
	}
	return 0;
}